公开(公告)号：US3925794A

公开(公告)日：1975-12-09

申请号：US43413574

申请日：1974-01-17

Applicant: CENTRE NAT ETD SPATIALES

Inventor： ALOUGES AIME ELIE

IPC: G01C11/00 ,  G01C11/02 ,  G03B29/00

CPC classification number: G01C11/02 ,  G01C11/00

Abstract: Aerial photography device fixed to a nacelle, operating suspended beneath a balloon and comprising one or more photographic apparatuses directed towards the ground when the nacelle is suspended from the balloon by a connection element, an intervalometer for instituting the successive photographs and an element governing the orientation of the nacelle about an axis passing through the connection element, the nacelle being stabilised in relation to the magnetic meridian during short time intervals immediately preceding the shots, after which the taking of each photograph is instigated.

Abstract translation: 航空摄影装置固定到机舱上，操作悬挂在气球下方，并且包括当机舱通过连接元件从气球悬挂时指向地面的一个或多个照相装置，用于建立连续照片的间隔计和用于控制取向的元件 机舱围绕穿过连接元件的轴线，机舱在紧接射击之前的短时间间隔内相对于磁子午线稳定，之后拍摄每张照片。